#include <stdio.h>
main()
{
int a, b, c;
a=1;b= 2;c=3;
c=sub(a, b);
printf("c=%d\n",c);
}
int sub(int x, int y)
{
int u,v;
//a=1;b= 2;c=3;
u=4;v=5;
	return x+y+u+v;
}
